/**
 * 画图层
 */
define(['./BGLayer','./ImgLayer','./PencilLayer'],function(BGLayer,ImgLayer,PencilLayer){
	var Layer = function(){
		//常用标识
		this.imgObj = false;
		
		/**
		 * 初始化方法
		 * @param {Object} imgObj 图片对象属性有img,fileOrPpt
		 */
		this.init = function(imgObj){
			this.imgObj = imgObj;
			console.log('图层初始化');
		}
	};
	return Layer;
});